cysteine

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Related to L-cysteine: L-cysteine hydrochloride

cys·te·ine

 (sĭs′tə-ēn′, -ĭn, -tē-)
n.
An amino acid, C3H7O2NS, derived from cystine and found in most proteins.

[Alteration of cystine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cysteine

(ˈsɪstɪˌiːn; -ɪn)
n
(Biochemistry) a sulphur-containing amino acid, present in proteins, that oxidizes on exposure to air to form cystine. Formula: HSCH2CH(NH2)COOH
[C19: variant of cystine]
ˌcysteˈinic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cys•te•ine

(ˈsɪs tiˌin, -ɪn)

n.
a crystalline amino acid, C3H7O2NS, a component of nearly all proteins, obtained by the reduction of cystine. Abbr.: Cys;Symbol: C
[1880–85; alter. of cystine]
cys`te•in′ic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

cys·te·ine

(sĭs′tə-ēn′)
A nonessential amino acid. See more at amino acid. See Note at keratin.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cysteine - an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine
amino acid, aminoalkanoic acid - organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
cystein
Cystein
cystéine
cysteina

cys·te·ine

n. cisteína, aminoácido derivado de la cistina, presente en la mayor parte de las proteínas.
English-Spanish Medical Dictionary © Farlex 2012

cysteine

n cisteína
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
In fact, inhibitory effect is superior to that of Vitamin C and comparable that of tranexamic acid or L-cysteine, both anti-oxidants.
CELLGEVITY contains Max's patented RiboCeine technology, a special blend of D- Ribose and L-Cysteine clinically proven to deliver cysteine effectively to the cell.
Phospho-L-Tyrosine Disodium Salt EMPROVE EXPERT and L-Cysteine S-Sulfate Sodium Sesquihydrate EMPROVE EXPERT, enable high concentrations of tyrosine and cysteine in cell culture feeds.
L-cysteine (L-cys) is one of the sulfur-containing amino acids.
On this effect of amino acids, Pandey et al.11 reported that L-cysteine hydrochloride and DL-aspartic acid have absolute toxicity on some species.
In particular, L-cysteine (L-Cys) can react with acetaldehyde to produce 2-methylthiazolidine-4-carboxylic acid, which is nontoxic to the human body and can be directly excreted [11].
"The obvious advantages of STC-cys catalyst include relatively benign functionalization process involving L-cysteine, very good catalytic performance and stability.
[5,6] For each sputum sample, four smears were prepared, one direct smear, second after processing by Petroff's method, third by N-acetyl L-cysteine sodium hydroxide (NALC-NaOH) method and fourth after processing by Sodium hypochlorite (Bleach) method.
Synthetic S-nitroso- L-cysteine (CysNO) is a reactive, highly diffusible low-molecular-weight NO source that has been used as an NO donor in many different studies (Gu and Lewis, 2007; Terrile et al., 2013).
We postulate that thiol-containing compounds such as L-cysteine may inhibit the activity of the caspase-3 enzyme by binding to the active site.